diff --git a/Examples/Scripts/Python/full_chain_itk.py b/Examples/Scripts/Python/full_chain_itk.py
index 51746c127a1f..d9cb205fd165 100755
--- a/Examples/Scripts/Python/full_chain_itk.py
+++ b/Examples/Scripts/Python/full_chain_itk.py
@@ -40,7 +40,8 @@
         s,
         MomentumConfig(1.0 * u.GeV, 10.0 * u.GeV, transverse=True),
         EtaConfig(-4.0, 4.0, uniform=True),
-        ParticleConfig(2, acts.PdgParticle.eMuon, randomizeCharge=True),
+        ParticleConfig(4, acts.PdgParticle.eMuon, randomizeCharge=True),
+        multiplicity=200,
         rnd=rnd,
     )
 else: